利用django自带认证功能实现用户登录认证。
建网站原本是网站策划师、网络程序员、网页设计师等，应用各种网络程序开发技术和网页设计技术配合操作的协同工作。创新互联专业提供
成都做网站、成都网站建设,网页设计,网站制作(企业站、响应式网站建设、电商门户网站)等服务,从网站深度策划、搜索引擎友好度优化到用户体验的提升,我们力求做到极致!
views.py
# Create your views here.
from django.shortcuts import render_to_response,render,get_object_or_404
from django.http import HttpResponse, HttpResponseRedirect
from django.contrib.auth.decorators import login_required
from django.template.context import RequestContext
from django.contrib.auth.models import User
from django.contrib import auth
from forms import LoginForm
def login(request):
if request.method == 'GET':
form = LoginForm()
return render_to_response('login.html',RequestContext(request,{'form':form,}))
else:
form = LoginForm(request.POST)
if form.is_valid():
username = request.POST.get('username','')
password = request.POST.get('password','')
user = auth.authenticate(username=username,password=password)
if user is not None and user.is_active:
auth.login(request,user)
return render_to_response('index.html',RequestContext(request))
else:
return render_to_response('login.html',RequestContext(request,{'form':form,'password_is_wrong':True}))
else:
return render_to_response('login.html',RequestContext(request,{'form':form,}))
@login_required
def logout(request):
auth.logout(request)
return HttpResponseRedirect("/login/")
@login_required
def index(request):
return render_to_response('index.html')froms.py
#coding=utf-8
from django import forms
from django.contrib.auth.models import User
class LoginForm(forms.Form):
username = forms.CharField(
required = True,
label="用户名",
error_messages={'required':'请输入用户名'},
widget=forms.TextInput(
attrs={
'placeholder': "用户名",
'class':'form-control'
}
)
)
password = forms.CharField(
required=True,
label="密码",
error_messages={'required':'请输入密码'},
widget=forms.PasswordInput(
attrs={
'placeholder':"密码",
'class':'form-control'
}
),
)
def clean(self):
if not self.is_valid():
raise forms.ValidationError("用户名和密码为必填项")
else:
cleaned_data = super(LoginForm,self).clean()login.html
登录
html,body { margin:0; padding:0; overflow:hidden; height:100%; }
#jz-login { margin:0 auto; border:1px solid #666; background-color:#CCC; width:300px; }
function makeItMiddle() {
document.getElementById('jz-login').style.marginTop = (document.getElementsByTagName('body')[0].offsetHeight - document.getElementById('jz-login').offsetHeight) / 2 + 'px';
}
window.onload = makeItMiddle;
window.onresize = makeItMiddle;
{% if password_is_wrong %}
×
错误!
用户名或密码错误
